How to Fix Update Mac OS Big Sur 11.4 to macOS 12 Monterey [EB|LOG:EXITBS:START]

By Ufuk Durgun

How to Fix Update Mac OS Big Sur 11.4 to macOS 12 Monterey [EB|LOG:EXITBS:START]

This mini-guide provides a structural approach to troubleshoot and fix the issue.

Prerequisites

  • Confirm your hardware specifications (CPU, GPU, Motherboard).
  • Ensure you have a bootable recovery USB and backup your EFI.

Fix Steps

  1. Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
  2. Ensure Metal acceleration is fully supported for your macOS version.
  3. Update Lilu and WhateverGreen to the latest versions.

Verification

  • Reboot and verify if the functionality is restored and stable under typical usage.

Original Question:

Update Mac OS Big Sur 11.4 to macOS 12 Monterey [EB|LOG:EXITBS:START]

Hello guys, when i try to update mac OS Big Sur 11.4 to macOS 12 Monterey, after reboot PC i have an error. What is this?

MY PC: Ryzen 5 2600, RX 570, 16 GB, SSD 256.
OpenCore 0.7.0

https://preview.redd.it/qre4fdyqbe471.jpg?width=1024&format=pjpg&auto=webp&s=5b1bc24aedfb57f5b1371d04dbc320d88f2c3da4

submitted by /u/DeniDenx
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